This is a .30-06 Springfield standard barrel from a 1953 Model 70 rifle.
Bluing - 95% - This barrel has just slight amount of finish wear at the muzzle.
Metal - This barrel is in excellent condition, with no notable scratches, dings, or other damage.
Bore - 9/10 - This barrel has just enough throat wear that we know it's been used and couldn't rate it as a perfect bore. Borescope verified.
We use the NRA Modern Gun Condition Standards Grading System for grading part conditions. You can read about it HERE